With the new Alpinist, Marker delivers its lightest-ever touring binding and re-defines the ratio of weight to performance. At 490 grams per pair, it takes the traditional PinTech design and adds functionality with zero degree, 5 degree and 9 degree climbing aid positions. The heel features a fixed upward release and an adjustable lateral release function, and a 15mm range of adjustment. Available accessories include 90mm, 105mm, and 115mm brakes, Touring leashes, and U-Springs that allow adjustment of the upward release in the heel. Comes with Medium Setting U-Spring. High and Low U-Springs available as additional purchase.